Buyers at the auction took just 785,000 of the 43 million allowances offered, each of which allow the emission of one metric ton of carbon dioxide.
Projects focus on the provision of public goods, many of which allow farmers to recover from climatic shocks.
There are technical conferences, some of which allow volunteers to see some of the talks in return for helping out.
Buddhism has many different branches, most of which allow partners, spiritual or otherwise, in some form — but not for monks.
In the armed forces of Britain and Israel, both of which allow gays to serve openly, have there been any adverse consequences?
The procedure is regulated by states, many of which allow laser operators to work after as little as 16 hours of hands-on training.
It offers substantial discounts on restaurants all over the UK, some of which allow you to book all the way up to and including Christmas Eve.
Also, the roofs, many of which allow residents access, have enormous wooden water tanks, barrel-like creations banded with metal, that are visual cues of an earlier era.
The Obama campaign said the new ad would run not just in Iowa but in Florida, Colorado and Nevada as well – all of which allow early voting.
Now gay sex is legal in at least 113 countries, three dozen of which allow same-sex marriage or its near equivalent.
"There are 32 articles in the penal code regarding publishing crimes, 22 of which allow for jail sentences for journalists," he said.
